No, it's not PTI Chief Imran Khan, as stated erroneously in today's Dawn (we all make mistakes).
Based on the information made public so far regarding assets of the candidates contesting elections:
PML-N heir apparent Maryam Nawaz is in the lead with a whopping Rs845 million to her name.
The second comfortably rich candidate is former president and co-chairman of Pakistan Peoples Party Asif Ali Zardari whose total value of assets is around Rs758.66m.
Find out here which (lucky) one of them received Rs40 million as gifts.